完形填空 One morning I wasted nearly an hour watching a tiny ant carry a huge feather.Several times,it __ 1 __ several obstacles(障碍物)in its path.And after a momentary pause it would make the necessary detou r(绕道). At one point, the ant had to cross a crack about 10 mm wide.After some __ 2 __ thoughts,the ant laid the feather over the crack,walked across it and picked the feather up on the other side,then continued on its way.I was __ 3 __ by the cleverness of this ant.It was only a small insect,lacking of __ 4 __ yet equipped with a brain to reason,explore, discover and overcome. But this ant, like the other twolegged creatures __ 5 __ on the earth, also shares human failings. After some time the ant __ 6 __ reached its destination-a flower bed and a small hole that was the entrance to its __ 7 __ home.It was there that the ant met its __ 8 __.How could that large feather possibly __ 9 __ such a small hole? Of course, it couldn't.So the ant, after all this __ 10 __ and using great brightness, overcoming problems all along the way, just gave up the __ 11 __ and went home.The ant had not thought the problem through before it began its journey and in the end the feather was nothing more than a burden. Isn't our  __ 12 __ like that? We worry about our families; we worry about the __ 13 __ of money and we worry about all kinds of things.These are all burdens-the things we pick up along life's path,and drag them around the obstacles and over the cracks that life will bring, only to __ 14 __ that at the destination they are __ 15 __ and we can't take them with us. (     )1. A. brought about (     )2. A. brave (     )3. A. frightened (     )4. A. size (     )5. A. working (     )6. A. probably (     )7. A. underground (     )8. A. partner (     )9. A. fit (     )10. A. decision (     )11. A. insect (     )12. A. study (     )13. A. waste (     )14. A. think (     )15. A. bad B. got over B. tiring B. attracted B. height B. sleeping B. suddenly B. lonely B. match B. fix B. pleasure B. problem B. aim B. lack B. find B. practical C. came across C. magic C. annoyed C. depth C. living C. easily C. comfortable C. parent C. suit C. trouble C. hole C. dream C. worth C. wonder C. useless D. dealt with D. short D. satisfied D. length D. walking D. finally D. big D. friend D. fill D. matter D. feather D. life D. danger D. warn D. meaningful